/*
 * @Author: your name
 * @Date: 2022-01-16 16:35:20
 * @LastEditTime: 2022-01-16 16:35:21
 * @LastEditors: Please set LastEditors
 * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 * @FilePath: /type-script-exercise/demo9.ts
 */
